/usr/lib/python2.7/dist-packages/powerline/lint/ is in python-powerline 2.6-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/powerline/lint/__init__.py
/usr/lib/python2.7/dist-packages/powerline/lint/checks.py
/usr/lib/python2.7/dist-packages/powerline/lint/context.py
/usr/lib/python2.7/dist-packages/powerline/lint/imp.py
/usr/lib/python2.7/dist-packages/powerline/lint/inspect.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/__init__.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/composer.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/constructor.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/error.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/events.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/loader.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/markedvalue.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/nodes.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/parser.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/reader.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/resolver.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/scanner.py
/usr/lib/python2.7/dist-packages/powerline/lint/markedjson/tokens.py
/usr/lib/python2.7/dist-packages/powerline/lint/selfcheck.py
/usr/lib/python2.7/dist-packages/powerline/lint/spec.py